X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=pico%2Fpico_int.h;h=4a4418e4f80c68fd5d349d2bb58d64d71fea6f17;hb=460603fa8119a41192ebdc7012d120f6263a2bce;hp=9841b183fc259d164cfd24b015ef065b34eb88b3;hpb=2ec9bec58b89831cdead4cdec8f593c5b99d2715;p=picodrive.git

diff --git a/pico/pico_int.h b/pico/pico_int.h
index 9841b18..4a4418e 100644
--- a/pico/pico_int.h
+++ b/pico/pico_int.h
@@ -272,7 +272,7 @@ struct PicoMisc
 struct Pico
 {
   unsigned char ram[0x10000];  // 0x00000 scratch ram
-  union {
+  union {                      // vram is byteswapped for easier reads when drawing
     unsigned short vram[0x8000];  // 0x10000
     unsigned char  vramb[0x4000]; // VRAM in SMS mode
   };
@@ -415,6 +415,7 @@ int CM_compareRun(int cyc, int is_sub);
 // draw.c
 PICO_INTERNAL void PicoFrameStart(void);
 void PicoDrawSync(int to, int blank_last_line);
+void BackFill(int reg7, int sh);
 extern int DrawScanline;
 #define MAX_LINE_SPRITES 29
 extern unsigned char HighLnSpr[240][3 + MAX_LINE_SPRITES];
@@ -422,6 +423,12 @@ extern unsigned char HighLnSpr[240][3 + MAX_LINE_SPRITES];
 // draw2.c
 PICO_INTERNAL void PicoFrameFull();
 
+// mode4.c
+void PicoFrameStartMode4(void);
+void PicoLineMode4(int line);
+void PicoDoHighPal555M4(void);
+void PicoDrawSetColorFormatMode4(int which);
+
 // memory.c
 PICO_INTERNAL void PicoInitPc(unsigned int pc);
 PICO_INTERNAL unsigned int PicoCheckPc(unsigned int pc);
@@ -561,6 +568,7 @@ void PicoPowerMS(void);
 void PicoResetMS(void);
 void PicoMemSetupMS(void);
 void PicoFrameMS(void);
+void PicoFrameDrawOnlyMS(void);
 
 // emulation event logging
 #ifndef EL_LOGMASK